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Effect of cathode energy spectrum on the depth of interaction estimation and anode signal recovery in CZT detectors
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Paper Abstract

One electrode configuration frequently used in CZT detectors is the cross-strip pattern. The cathode-to-anode signal ratio (C/A) can be used to estimate the position of photon interaction in the direction perpendicular to the electrode plane. In addition, C/A is used to calibrate for the depth-dependent anode signal. Based on the design configuration of the electrode widths with respect to the CZT thickness, their measured energy spectrum varies due to the small pixel effect and charge trapping. In this work we evaluate the effect of a poor cathode energy resolution on the depth of interaction correction and anode signal recovery.

Paper Details

Date Published: 15 September 2017
PDF: 1 pages
Proc. SPIE 10392, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XIX, 1039217 (15 September 2017); doi: 10.1117/12.2275674
Show Author Affiliations
Mohan Li, Univ. of Illinois at Urbana-Champaign (United States)
Shiva Abbaszadeh, Univ. of Illinois at Urbana-Champaign (United States)


Published in SPIE Proceedings Vol. 10392:
Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XIX
Arnold Burger; Ralph B. James; Michael Fiederle; Larry Franks; Stephen A. Payne, Editor(s)

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